| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| is nitrogen dioxide a greenhouse gas | 0.46 | 0.5 | 9149 | 68 | 36 |
| is | 0.37 | 0.5 | 5183 | 89 | 2 |
| nitrogen | 1.96 | 0.8 | 3678 | 98 | 8 |
| dioxide | 1.93 | 0.5 | 1569 | 20 | 7 |
| a | 0.89 | 0.6 | 6904 | 96 | 1 |
| greenhouse | 1.16 | 0.4 | 2572 | 65 | 10 |
| gas | 1.8 | 0.4 | 9844 | 23 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is nitrogen dioxide a greenhouse gas | 1.79 | 0.4 | 817 | 70 |
| is nitrogen gas a greenhouse gas | 1.35 | 0.7 | 2015 | 17 |
| is nitrogen a greenhouse gas | 0.33 | 0.5 | 9146 | 11 |
| is nitrogen a major greenhouse gas | 1.83 | 0.1 | 7449 | 12 |
| are nitrogen oxides greenhouse gases | 1.68 | 0.5 | 1282 | 1 |
| is nitrogen dioxide a gas | 0.83 | 1 | 970 | 58 |
| why isn't nitrogen a greenhouse gas | 0.67 | 0.6 | 4265 | 1 |
| are nitrogen and oxygen greenhouse gases | 1.82 | 0.4 | 8038 | 42 |
| n2o is a greenhouse gas | 0.54 | 0.2 | 4823 | 43 |
| nitrogen a greenhouse gas | 0.44 | 0.1 | 7261 | 93 |
| is nitrogen oxides a greenhouse gas | 0.54 | 0.3 | 8000 | 45 |
| is nitrogen a greenhouse | 1.87 | 0.4 | 2544 | 25 |
| is nitrogen a natural gas | 1.91 | 0.8 | 8063 | 9 |
| is nitrogen a gas | 1.42 | 0.3 | 1042 | 83 |
| liquid nitrogen greenhouse gas | 1.82 | 0.1 | 8409 | 17 |
| are oxides of nitrogen greenhouse gases | 0.94 | 0.8 | 1534 | 15 |
